Finding the Fourth Proportional to 14,561.33, 20,091.15 and 10,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,561.33 : 20,091.15 = 10,575.50 : x
2. Step 2: Convert to fraction form
   14,561.33/20,091.15 = 10,575.50/x
3. Step 3: Cross multiply
   14,561.33x = 20,091.15 × 10,575.50
4. Step 4: Simplify right side
   14,561.33x = 212,473,856.37
5. Step 5: Solve for x
   x = 212,473,856.37/14,561.33
6. Step 6: Final answer
   x = 14,591.66